Refined naphthalene is an important organic chemical raw material mainly used in the production of dyes, pharmaceuticals, pesticides and other products. With the development of the economy and technological progress, the production process of refined naphthalene is also constantly improving to achieve higher production efficiency and better environmental performance.
1、 Production process of refined naphthalene
The production of refined naphthalene mainly involves two steps: distillation and crystallization. Naphthalene is extracted from petroleum or coal tar through a distillation process, and then converted into refined naphthalene through a crystallization process.
The distillation process is the first step in the production of refined naphthalene. In this process, naphthalene is separated from petroleum or coal tar. The temperature and pressure changes inside the distillation tower cause naphthalene to separate from other substances, which are then collected and further processed.
The crystallization process is the second step in the production of refined naphthalene. In this process, naphthalene is converted into refined naphthalene. By controlling crystallization conditions such as temperature, concentration, stirring speed, etc., the particle size and purity of crystallization can be affected, thereby obtaining high-quality refined naphthalene.
2、 Environmental performance of refined naphthalene production
During the production of refined naphthalene, some pollutants are generated, such as exhaust gas, wastewater, and solid waste. In order to achieve environmentally friendly production, enterprises need to take corresponding measures to deal with these pollutants.
Waste gas treatment
In the production process of refined naphthalene, the waste gas mainly comes from the distillation and crystallization processes. In order to reduce the impact of waste gas on the environment, enterprises need to install effective waste gas treatment devices, such as activated carbon adsorption devices or biological purification devices.
waste water treatment
The wastewater mainly comes from the washing and cooling processes of refined naphthalene. In order to meet environmental standards, enterprises need to establish effective wastewater treatment systems, such as biological or chemical treatment devices.
Solid waste treatment
Solid waste mainly comes from distillation residue and crystallization mother liquor. In order to reduce the impact on the environment, enterprises need to take corresponding treatment measures, such as recycling or incineration.
Refined naphthalene is an important organic chemical raw material, and its production process requires a high level of technology and management. In order to achieve efficient and environmentally friendly production, enterprises need to continuously improve production processes, improve product quality, and reduce cost consumption. At the same time, strengthening environmental protection measures and reducing pollutant emissions are also important directions for sustainable development of enterprises.